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Eclipse Plug-in Development Beginner's Guide - Second Edition

You're reading from  Eclipse Plug-in Development Beginner's Guide - Second Edition

Product type Book
Published in Aug 2016
Publisher
ISBN-13 9781783980697
Pages 458 pages
Edition 2nd Edition
Languages
Author (1):
Alex Blewitt Alex Blewitt
Profile icon Alex Blewitt

Table of Contents (24) Chapters

Eclipse Plug-in Development Beginner's Guide Second Edition
Credits
Foreword
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
1. Creating Your First Plug-in 2. Creating Views with SWT 3. Creating JFace Viewers 4. Interacting with the User 5. Working with Preferences 6. Working with Resources 7. Creating Eclipse 4 Applications 8. Migrating to Eclipse 4.x 9. Styling Eclipse 4 Applications 10. Creating Features, Update Sites, Applications, and Products 11. Automated Testing of Plug-ins 12. Automated Builds with Tycho 13. Contributing to Eclipse Using OSGi Services to Dynamically Wire Applications Pop Quiz Answers Index

Time for action – migrating the commands and handlers


Menu items are typically decoupled from the code that is executed to promote flexibility and re-use. In both Eclipse 3.x and Eclipse 4.x, commands are used to represent logical operations whilst handlers are used to execute the code. In order to create menus, the handlers and commands must be defined in the fragment.

  1. Open the fragment.e4xmi file and go to the Model Fragments element in the tree. Click on Add to add a new Model Fragment, and then use org.eclipse.e4.legacy.ide.application as the Extended Element ID and commands as the Feature Name.

  2. Select Command from the drop-down menu and click on Add to add new commands. Create a command with the ID com.packtpub.e4.migration.command.one and a Name of Action 1; then do the same with com.packtpub.e4.migration.command.two and com.packtpub.e4.migration.command.double. It should now look like:

  3. Click on Model Fragments and then Add to create a new Model Fragment, this time using a Feature Name...

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